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Ransomware is becoming more and more dangerous - here are some simple but very effective tips to protect you from the malicious programs that are extortionate.
Ransomware has become one of the most
notorious cyber threats in the past few years. As soon as a ransomware
Trojan penetrates a system, it secretly encrypts files - including important
documents, videos, and photos. This happens in the background so that the
victim does not notice anything at first.
After doing its malicious work, the
Trojan informs the victim that the files have been encrypted. In order to
be able to use the files again, the user has to pay a ransom, which is usually
a few hundred dollars and is to be paid in bitcoins. Many ransomware
victims have little technological background, so they have to find out what
bitcoins are and how to make the payment in the first place.
Also,
what makes ransomware so nasty is the fact that the encrypted files are still
stored on the victim's computer. A very sad and frustrating fact - the
files are there but cannot be opened without the decryption key.
As ransomware is becoming a
bigger problem, users should protect themselves against it and prevent infection. After
all, it is much more complicated to deal with the consequences of a ransomware
infection than to take care of the appropriate protection beforehand.
Here are 10 simple tips you can use to protect your data from
ransomware:
- Back up all of your important files on
a regular basis . We recommend that you make two backup
copies of all files: One that is saved in the cloud (e.g. for services
such as Dropbox, Google Drive, etc.) and one on its own storage device
(removable hard drive, USB stick, extra As soon as your backup copies have
been made, you should set special restrictions on the files: Your
"Plan-B device" should only have read / write permissions so
that files cannot be modified or deleted. Your backup copies can help
you with all sorts of problems, including accidental deletion of important
files or a hard drive failure.
- Regularly
check the integrity of the backup copies. Occasionally, malfunctions
can damage these files as well.
- Cyber
criminals often distribute fake emails , similar to online store
or online bank notifications, to trick users into clicking malicious links
or distributing malicious programs. This is called phishing . But with this
knowledge you can adjust your antispam settings accordingly. In
addition, you should never open attachments from unknown senders.
- Don't
trust anyone. Malicious links can also come from friends on social
networks, your colleagues or partners playing online games if their accounts have
been hacked.
- Activate
the function "Show file extensions" in the Windows
settings. This makes it easier to identify potentially harmful
files. Since Trojans are just programs, you should always be careful
with file extensions such as “exe”, “vbs” and “scr” in e-mails or
messages. You should also be careful, as many known file extensions can also be dangerous . Cyber
criminals often use multiple extensions to disguise malicious files as
videos, photos or documents (for example hot-chics.avi.exe or
report.doc.scr). Regularly update your operating system,
browser, antivirus software, and any other installed programs. Cyber
criminals like to abuse security holes in these programs to break into
computers.
- Use
reliable antivirus software to protect your devices from
ransomware. We recommend Protegent Total Security, which blocks all types of malware and, in the event of
infection, protects all important files with a special function .
- If
you discover a wrong or unknown process on your computer, you should cut
off the Internet connection immediately. Because if ransomware has
not yet deleted the decryption key on the computer, you still have the
chance to be able to restore your files. However, new types of
ransomware also use predefined keys, so this may not work.
- If
you are the unfortunate person whose files have been encrypted, you
shouldn't pay the ransom unless you need instant access to certain
files. But every payment only reinforces the perpetrators in their
illegal business.
- If you have been infected by ransomware, you should try to find out the name of the malware: if it is an older version, it is relatively easy to restore your files yourself. Older ransomware is not yet as sophisticated, and police authorities and security experts are working together to catch the perpetrators and make appropriate recovery tools available on the Internet. This may give you the opportunity to get your encrypted data back without paying a ransom.
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